<template>
  <div class="app-container">
    <div class="ccInfo">
      <img :src="coursePublish.cover"/>
      <div class="main">
        <h2>{{ coursePublish.title }}</h2>
        <p class="gray"><span>共{{ coursePublish.lessonNum }}课时</span></p>
        <p><span>所属分类：{{ coursePublish.subjectParentTitle }} — {{ coursePublish.subjectTitle }}</span></p>
        <p>课程讲师：{{ coursePublish.teacherName }}</p>
        <h3 class="red">￥{{ coursePublish.price }}</h3>
      </div>
    </div>

    <div style="text-align: center">
      <el-button type="primary" @click="prev()">上一步</el-button>
      <el-button :disabled="publishBtnDisable" type="primary" @click="publish()">发布课程</el-button>
    </div>
  </div>
</template>

<script>
import courseApi from "@/api/course";
export default {
  name: "Publish",
  data() {
    return{
      publishBtnDisable: false,
      coursePublish:{}
    }
  },
  created() {
    if (this.$parent.courseId) {
      this.fetchCoursePublishById(this.$parent.courseId)
    }
  },
  methods: {
    prev() {
      this.$parent.active = '1'
    },
    publish() {
      this.publishBtnDisable = true
      courseApi.publishCourseById(this.$parent.courseId).then(res => {
        if (res.success) {
          this.$message.success(res.message)
          this.$parent.active = '3'
        } else {
          this.$message.error(res.message)
        }

      })


    },
    fetchCoursePublishById(courseId) {
      courseApi.getCoursePublishById(courseId).then(res => {
          this.coursePublish = res.data.item
      })
    }
  }

}
</script>

<style scoped>

.ccInfo {
  background: #f5f5f5;
  padding: 20px;
  overflow: hidden;
  border: 1px dashed #DDD;
  margin-bottom: 40px;
  position: relative;
}
.ccInfo img {
  background: #d6d6d6;
  width: 500px;
  height: 278px;
  display: block;
  float: left;
  border: none;
}
.ccInfo .main {
  margin-left: 520px;
}

.ccInfo .main h2 {
  font-size: 28px;
  margin-bottom: 30px;
  line-height: 1;
  font-weight: normal;
}

.ccInfo .main p {
  margin-bottom: 10px;
  word-wrap: break-word;
  line-height: 24px;
  max-height: 48px;
  overflow: hidden;
}

.ccInfo .main p {
  margin-bottom: 10px;
  word-wrap: break-word;
  line-height: 24px;
  max-height: 48px;
  overflow: hidden;
}

.ccInfo .main h3 {
  left: 540px;
  bottom: 20px;
  line-height: 1;
  font-size: 28px;
  color: #d32f24;
  font-weight: normal;
  position: absolute;
}
</style>
